Shelving unit



FIG. 1 is a perspective view of a shelving unit showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is an end elevational view, the opposite end being a mirror image thereof; and,

FIG. 4 is a top plan view thereof.

FIGS. 2-4 have been shown on an enlarged scale with respect to FIG. 1. 

The ornamental design for a shelving unit, as shown and described. 